JP3878609B2 - Pet wheelchair - Google Patents

Description

  The present invention allows the animal to stand on its own by attaching it to a quadruped walking animal such as a dog, cat, or weasel that has become difficult to hold standing or to walk on its own due to trauma or disease. It is related with the wheelchair for pets which can hold a standing position and can move.

In recent years, the life of pets such as dogs and cats has become longer due to the development of medical technology and the improvement of the breeding environment, etc., but due to illness and old age, holding a standing position or walking on its own The number of pets that have become difficult has increased. There are also many pets that have suffered disabilities due to paralysis or amputation of legs due to illness or accident.
As an aid for walking of these pets, for example, (Patent Document 1) states that “a frame having a height adjusting function composed of a lower parallel leg frame and a front / rear reverse U-shaped frame is formed at the lower part of the front wheel. A walking aid for caring for sick dogs, with casters and rear wheels attached, and a sick dog lifting belt that can be adjusted in height. Is disclosed.
In addition, (Patent Document 2) states that “a vertical bar that supports a saddle for inserting a dog's hind legs, two horizontal bars that are attached to the upper body of the dog, a shoulder bar that is attached to the dog's shoulder, a dog's back and abdomen. A dog walking vehicle composed of a belt attached to the vehicle and two wheels that allow the dog to walk is disclosed.
Japanese Utility Model Publication No. 3-75305 JP 2002-345360 A

However, the above conventional techniques have the following problems.
(1) The walking aid for caring for sick dogs of (Patent Document 1) supports the abdomen of the dog by a lifting belt, so the latter part of the dog, in particular, the rear leg cannot be fixed and is unstable. There was a problem of lack of stability and reliability for use in dogs with disabilities. In addition, since it is intended to assist the walking of the dog by manipulating it like a wheelbarrow, the structure is complicated and the entire assisting device is enlarged, and it is difficult for the dog to move by itself. Because people have to match the walking speed, there was a problem of lack of usability.
(2) The dog walking vehicle of (Patent Document 2) has a saddle for inserting the rear leg of the dog, but the shoulder bar attached to the dog's shoulder has two horizontal bars attached to the upper body of the dog. If the dog's hind leg is inserted into the saddle first, it must be worn with the head of the dog passing under the shoulder bar and on the dog's shoulder first. When the shoulder bar is attached, it must be lifted while holding the back of the dog, and the rear leg of the dog must be inserted into the saddle, both of which are difficult to wear and lack the usability. Was.

  The present invention solves the above-described conventional problems, and allows the owner to easily attach the pet to the pet with a simple configuration. It is easy to handle in a small, lightweight, narrow indoor space, etc. It is easy to assemble according to the product, and it excels in productivity, and the position adjustment and replacement of parts due to non-conformity between pet body shape and product dimensions due to variation in measuring at the time of order, growth of pet after delivery, change of symptoms, etc. It can be easily resolved by addition, etc., and it has excellent versatility, and it can hold and walk in an easy posture without placing a burden on the pet's body and legs, and has excellent stability, secondary disorders and diseases An object of the present invention is to provide a pet wheelchair with excellent reliability capable of preventing the above-described problem.

In order to solve the above problems, the pet wheelchair of the present invention has the following configuration.
The pet wheelchair according to claim 1 of the present invention includes a main body frame and left and right hind legs of a four-legged pet such as a dog, a cat, and a weasel that are disposed on the main body frame and are inserted into the base of the rear leg. A pet wheelchair comprising: a saddle for supporting a nearby torso from below; a shoulder pad attached to the shoulder of the pet in front of the main body frame; and wheels disposed at both lower ends of the rear portion of the main body frame. there are, have a closing means for opening and closing the shoulder rest portion relative to the body frame, the saddle, an annular shape having constricted the two unit members substantially M-shaped in the longitudinal central portion disposed facing Or the rear unit member is formed in a substantially M shape, and the front unit member is formed in a straight line shape or a forward curve shape .
This configuration has the following effects.
(1) Since it has an opening / closing means for opening and closing the shoulder pad with respect to the main body frame, the rear leg of the pet can be inserted into the saddle with the shoulder pad being opened, and the wheelchair can be easily worn. .
(2) Since the mechanism part is only the opening / closing means of the shoulder pad and the number of parts is small, it is light and easy to handle and can be easily attached to the pet.
(3) By arranging the substantially M-shaped unit members to face each other, an annular saddle constricted in the front and rear central portions can be formed, so that processing is easy and production is excellent.
(4) Since the saddle is formed in an annular shape constricted in the front and rear central parts, the saddle does not get in the way when the pet urinates and defecates, and can easily urinate and defecate, and the saddle is soiled. It is hygienic and can improve usability.
(5) Since the saddle is formed in an annular shape constricted in the front and rear central portions, there is no foreign matter between the left and right legs, so that there is no sense of incongruity when worn, and the occurrence of a crotch slip can be prevented.
(6) When the rear side is substantially M-shaped and the front side is linear or slightly curved forward, the torso of a dog with a long torso can be supported.

Here, the main body frame, the saddle, and the shoulder pad are formed by a solid bar or a hollow pipe having a substantially circular cross section. In particular, when formed with a hollow pipe, the weight can be reduced.
The body frame, saddle, and shoulder pad should be made of metal such as aluminum, stainless steel, iron, titanium, magnesium, or their alloys, resin added with carbon, glass, fiber, or wood or bamboo. Can do. In particular, aluminum and synthetic resins are strong and have excellent durability and reliability. In the case of a metal, a material that does not easily corrode or a rust-proof material is preferably used. Thereby, it can prevent that a main body frame, a saddle, and a shoulder pad part rust, it is hygienic, and can improve the workability | operativity of disassembly and an assembly.
The saddle may have any shape as long as it can insert the left and right rear legs of the pet and can support the trunk near the base of the rear leg from the lower side .

As the opening / closing means, one that opens and closes in the left-right or front-rear direction of the main body frame by pivoting one end or both ends of the shoulder pad to the main body frame is suitably used. Thereby, since the upper part of a main body frame can be open | released, when inserting the back leg of a pet in a saddle, a shoulder pad part does not become obstructive and can mount | wear easily. Alternatively, the shoulder rest may be divided at the center to open and close each side.
When a means for holding the main body frame and the shoulder pad part in a detachable manner is prepared in addition to the pivot part for pivoting the shoulder pad part on the main body frame, the shoulder pad part does not open except when necessary, and the reliability is excellent.
What hold | maintains by screwing, pin fitting, etc. other than what hold | maintains detachably by the holding | maintenance part formed in the substantially circular arc shape is used suitably.
In addition, by preparing a plurality of types of dimensions of the main body frame and the saddle in advance, it is possible to produce a pet wheelchair according to the size of the pet by combining them.
Further, a fixing belt for fixing the pet and the shoulder pad and the main body frame is attached to both sides of the shoulder pad and the middle part of the main body frame in the longitudinal direction. Thereby, a pet, a shoulder pad part, and a main body frame can be fixed reliably, the posture at the time of walking is stabilized, a load is not applied to a pet, and it is excellent in safety and reliability. As a fixing method of the fixing belt, a buckle method, a method of inserting a protrusion for insertion at a desired position among a plurality of insertion holes, a method of attaching with a hook-and-loop fastener, and the like are preferably used.

Here, the saddle is disposed on the upper surface or inside of the main body frame. As means for connecting and fixing the main body frames to each other or the main body frame and the saddle, it is possible to use a fixing block having a fitting portion formed in a substantially circular shape or a substantially arc shape in addition to welding, adhesion, screwing, or the like. it can.
As the fixing block, in addition to forming a fitting portion in the block-shaped member, two metal or synthetic resin pipes having an inner diameter substantially equal to the outer diameter of the main body frame and saddle are welded and bonded, It is possible to use one fixed by screwing or the like, one obtained by integrally molding two circular or arcuate fitting portions with synthetic rubber or synthetic resin, or one press-molded with metal.
When the fixing block is used, it can be easily assembled and disassembled by inserting and fitting the main body frame and the saddle into the fitting portion of the fixing block.
When the outer shape of the fixing block is formed in a substantially circular shape or a substantially oval shape, or the outer periphery is chamfered, the possibility of damaging the pet is reduced and the weight of the part can be reduced. Further, when the fixing block is made of metal, safety can be improved by covering the outer periphery with a buffer member such as synthetic rubber or leather.
The annular portion of the saddle may be slightly curved downward. Thereby, the burden on the lower back of the pet can be reduced.

The invention according to claim 2 is the pet wheelchair according to claim 1 , wherein the main body frame is connected to a side frame portion divided into left and right sides, the side frame portions on both sides, and the saddle. And a connecting portion.
With this configuration, in addition to the operation of the first aspect , the following operation is provided.
(1) Since the main body frame has side frame parts divided into left and right sides and connecting parts that connect the side frame parts and saddles on both sides, the connecting parts easily connect the side frame parts on both sides and the saddle. As a result, the assembling property can be improved.
(2) Since the side frame portions on both sides are connected by two substantially M-shaped unit members arranged opposite to each other constituting the saddle, the strength and rigidity of the main body frame can be ensured. Deformation and damage can be prevented.

Here, the fixing block described in claim 1 can be suitably used as the connecting portion. Thereby, mechanical strength can be improved. By forming two substantially circular or arcuate fitting parts in parallel with the outer diameters of the side frame part and the saddle, the side frame part and the saddle can be inserted, fitted, and fixed.
The fixing blocks may be divided in half to form substantially semicircular fitting portions, and the side frame portions and the saddles may be fixed so as to be sandwiched from above and below or from the left and right.
When the fitting portion of the fixing block is formed in an arc shape or the fixing block is halved, the side frame portion and the saddle can be easily attached and detached, and the assembling property and the disassembling property are excellent. In addition, when the fixing block, the side frame portion and the saddle are fixed by screwing or the like, the side frame portion and the saddle are not rotated, and the fixing block is not detached, thereby improving the reliability. Can do.

The invention according to claim 3 is the pet wheelchair according to claim 2 , wherein the opening and closing means is fixed to the one side frame portion, and one end portion of the shoulder rest portion is connected to the body frame. A pivot holding member that pivots around the side frame portion in the left-right direction; and a fixing member that detachably fixes the other side frame portion and the other end portion of the shoulder rest portion. It has the composition which is.
With this configuration, in addition to the operation of the second aspect , the following operation is provided.
(1) The opening / closing means includes a rotation holding member that rotatably holds one end portion of the shoulder support portion with respect to one side frame portion, and the other side frame portion and the other end portion of the shoulder support portion. Since it has a fixing member that is detachably fixed, it is possible to rotate the shoulder rest part up and down in the left-right direction of the main body frame relative to the side frame part by simply opening the fixing member. The shoulder pad can be easily attached from above the shoulder of the pet.
(2) Since one end portion of the shoulder pad is rotatably held around the side frame part in the left-right direction of the main body frame by the rotation holding member of the opening / closing means, the main body frame is rotated by rotating the shoulder pad part. The upper part of the pet can be opened, the rear leg of the pet can be inserted into the saddle, and it can be held by the front leg, and it can be easily attached by simply rotating the shoulder rest in the opposite direction and fixing it with the fixing member. can do.

Here, as the shape of the shoulder pad portion, one having an arc portion contacting the pet's shoulder and a horizontal support portion extending in a substantially horizontal direction from at least one of both ends of the arc portion is preferably used. As a result, it is possible to easily hold the body support frame so as to be rotatable around the side frame portion in the left-right direction of the main body frame only by pivoting one of the horizontal support portions of the shoulder rest portion.
Further, it is preferable to attach a buffer member having elasticity such as a synthetic resin such as urethane foam or a synthetic rubber to at least the inner side of the arc portion of the shoulder pad that is in contact with the shoulder of the pet. Thereby, it does not put a burden on a pet at the time of wearing or walking, and is excellent in wearability.
The rotation holding member of the opening / closing means is fixed to one of the left and right side frame portions, and a horizontal support portion which is one end portion of the shoulder support portion is pivotally pivoted by a circular rotation support hole.
The fixing member of the opening / closing means is disposed to face the rotation holding member and detachably fixes the other side frame portion and the other end portion of the shoulder rest portion.

The fixing member is disposed on either the side frame portion or the shoulder pad portion, and directly fixes the shoulder pad portion or the side frame portion by means of fitting, locking, screwing, etc., side For example, a pair of members disposed on the part frame part and the shoulder pad part may be fixed to each other by means such as fitting, locking, and magnetization. More specifically, with respect to the fixing member fixed to the side frame portion, the horizontal support portion of the shoulder rest portion is fixed by passing a screw, a pin or the like, and the horizontal support portion is in contact with the upper surface of the horizontal support portion. Inserting screws and pins in the direction, Holding the horizontal support part with an arcuate holding part opened upward, and attaching the horizontal support part to the shoulder support part on the opening and protrusion formed in the fixing member A hook-type or plate-spring-type locking member that locks, a magnet that is magnetized by a magnet, or a hook type that slides and fits a fixing member with a fixing hole drilled into the shoulder pad There is a thing which wraps a band around the horizontal support part of a side frame part and a shoulder pad part, and fixes with a hook-and-loop fastener, a button, a hook, etc.
The opening / closing means is fixed to the side frame portion or the shoulder pad portion by means such as screwing and pin fitting as required. Thereby, the opening / closing means does not move during use, and the reliability can be improved.

The invention described in claim 4 is the pet wheelchair according to claim 2, wherein the closing means, of each of the main frame opposite ends of the shoulder rest portion relative to the left and right side frame portion It has a configuration that is an open / close holding means that is rotatably and detachably fixed around the side frame portion in the left-right direction.
With this configuration, in addition to the operation of the second aspect , the following operation is provided.
(1) The opening / closing means is an opening / closing holding means for rotating and detachably fixing the both ends of the shoulder pad portion around the side frame portion with respect to the left and right side frame portions, thereby Since it can be opened and closed from any of the above, the shoulder pad can be opened and closed from the direction in which it is easy to work according to the owner's dominant hand and the situation of the use space, and the attachment / detachment operation can be easily performed.
(2) The opening / closing holding means can fix the end of the shoulder pad to the side frame part so that the end part of the shoulder pad can be rotated and detachable around the side frame part. Therefore, the number of parts can be reduced, and productivity and assembly workability can be improved.

Here, as the open / close holding means disposed on the side frame portion, the end portion of the shoulder pad portion is rotatably supported by the arcuate rotating portion, and is expanded upward from the opening portion of the rotating portion. An opening / detaching part that is formed by opening and holding the end part of the shoulder pad part directly or by screwing or inserting a fixing means such as a screw or a pin is preferably used. .
As a thing arranged in the shoulder pad part, it is arranged in the end part of the shoulder pad part by the circular or arcuate rotation part so as to be freely rotatable, and directly on the side frame part by the arcuate attachment / detachment part. What can be attached or detached is used suitably.
The side frame portion and the shoulder pad portion are divided and arranged so that the member disposed on the side frame portion and the circular or arcuate rotating portion can be freely rotated on the shoulder pad portion. It is preferable to set the provided members as a set and fix these members by fixing means such as fitting, locking, and screwing, and the same means as the above-described fixing members can be preferably used.
In addition, as the mechanism of the opening / closing holding means disposed on both sides, the same mechanism may be used, or different mechanisms may be combined.

The invention according to claim 5 of the present invention is the pet wheelchair according to claim 3 or 4 , wherein the shoulder rest part substantially contacts the shoulder of the pet and from both ends of the arc part. A sliding support member that has a horizontal support portion extending in a horizontal direction, and that slidably fixes the opening / closing means to the horizontal support portion of the side frame portion and / or the shoulder rest portion. It has the composition which is provided.
With this configuration, in addition to the operation of the third or fourth aspect , the following operation is provided.
(1) Since the shoulder pad has an arc portion that comes into contact with the pet's shoulder, the main body frame can be stably supported by the shoulder without placing a burden on the pet's shoulder during wearing or walking.
(2) The shoulder support portion has horizontal support portions extending substantially horizontally from both ends of the arc portion, so that the horizontal support portion of the shoulder support portion and the side frame portion of the main body frame are arranged substantially in parallel. Therefore, the horizontal support portion and the side frame portion can be easily fixed using the opening / closing means, and the stability at the time of fixing can be improved.
(3) Since the horizontal support portion of the shoulder rest is disposed substantially parallel to the side frame portion of the main body frame, the opening / closing means can be slidably fixed to the horizontal support portion by the sliding fixing member. The shoulder pad can be moved in the horizontal direction according to the length of the pet, and the versatility and the mounting flexibility can be improved.

Here, the rotation holding member and the fixing member, or the opening / closing means such as the opening / closing holding means can be arranged at a plurality of positions in the longitudinal direction of the horizontal support portion according to the length of the horizontal support portion of the shoulder rest portion. . When the rotation holding member and the fixing member, or the opening and closing holding means are arranged at two positions on both ends of each horizontal support portion, the shoulder support portion can be stably held with respect to the side frame portion, reliability, Excellent certainty.
In addition, when only one fixing member is provided for the plurality of rotation holding members, the shoulder rest can be stably held, and the fixing member can be easily opened and has excellent operability.
As the sliding fixing member, screwing, pin fitting, a hook-and-loop fastener, or the like can be suitably used.

The invention according to claim 6 of the present invention is the pet wheelchair according to claim 2 , wherein the shoulder rest part comes into contact with the shoulder of the pet and from both ends of the arc part in a substantially horizontal direction. A horizontal support portion extended, and the opening / closing means pivots the rear end portions of the horizontal support portions at both ends of the shoulder support portion in the vertical direction of the body frame with respect to the left and right side frame portions. It has the structure provided with the pivot part which pivots freely, and the holding | maintenance part which hold | maintains the horizontal support part of the said both ends of the said left and right side frame part and the said shoulder pad part so that attachment or detachment is possible.
With this configuration, in addition to the operation of the second aspect , the following operation is provided.
(1) The shoulder rest has an arc portion that abuts against the pet's shoulder and a horizontal support portion that extends substantially horizontally from both ends of the arc portion, and the opening / closing means has a shoulder contact with the left and right side frame portions. The rear end of the horizontal support at both ends of the lever is pivotably pivoted in the vertical direction of the main body frame, and the horizontal support at both ends of the left and right side frames and the shoulder pad is detachably held. Because it has a holding part that can be turned, it can be swung up and down with the pivot part as a fulcrum, and can be easily attached to and detached from the pet. The part can be held on the side frame part.

Here, the pivot portion of the opening / closing means is disposed on the left and right side frame portions and pivotally supports the rear end portions of the horizontal support portions at both ends of the shoulder rest portion in a direction perpendicular to the axial direction of the horizontal support portions. . Thereby, a shoulder pad part can be rotated to the up-down direction of a main body frame.
As the holding portion of the opening / closing means, the same fixing member as described in claim 3 can be suitably used, and a substantially central portion in the longitudinal direction of the horizontal support portion of the shoulder rest portion or an arc portion of the shoulder rest portion. It is arrange | positioned at the base side of a horizontal support part.
The pivot part and the holding part are fixed by welding, bonding, screwing, pin fitting or the like. When the pivot part and the holding part are slidably fixed to the side frame part by screwing or pin fitting, the position of the shoulder rest part can be moved back and forth along the side frame part, The position of the shoulder pad can be easily adjusted according to the size of the pet, and is excellent in versatility.

The invention according to claim 7 of the present invention is the pet wheelchair according to any one of claims 1 to 6 , wherein the pet wheelchair has a configuration having a buffer member covered on at least the upper surface of the saddle. is doing.
With this configuration, in addition to the operation described in any one of claims 1 to 6 , the following operation is provided.
(1) Since a cushioning member is covered on at least the upper surface of the saddle, even if the pet's weight is applied, the burden due to impact and friction on the pet can be reduced, and heat conduction to the skin can be reduced in summer and winter. Even if it exists, it can mount | wear immediately and can improve mounting | wearing property.
(2) When an impact such as vibration generated during walking adversely affects a pet's disease, the shock can be absorbed or reduced by having a buffer member, which is excellent in reliability.

Here, in addition to covering the upper surface of the saddle, the cushioning member has a substantially L-shaped cross section, the upper surface and the inner surface of the saddle, the upper surface and both side surfaces of the saddle with a substantially U-shaped cross section, and a substantially cylindrical shape. The outer peripheral surface can be covered.
As the material of the buffer member, urethane foam, soft resin, cloth, synthetic rubber, leather and the like are preferably used. These buffer members can be laminated with two or more layers of the same type and different in hardness and repulsive force, or can be stacked by combining different types of members. Further, when the buffer member is fixed with a hook-and-loop fastener, a button, a hook, or the like, it can be easily attached and detached, and can be kept clean by performing cleaning and washing, and can be exchanged when broken to ensure safety.
When covering the outer periphery of the saddle with a substantially cylindrical shape, the buffer member is cut to cover the saddle and bonded later, or the buffer member is installed so as to cover the outer periphery of the saddle by insert molding. be able to. In addition, if fixing metal fittings for fixing to the side frame portion in advance to the saddle are fixed by welding or the like, it can be easily fixed to the side frame portion after covering the buffer member, and productivity, Excellent assembly workability.

The invention according to claim 8 of the present invention is the pet wheelchair according to claim 7 , wherein the buffer member includes a storage portion formed in a bag shape, and a filler encapsulated in the storage portion. , have a, the filler has an elastic body such as urethane foam or soft resin, such as air or nitrogen gas, the structure is any one or more of the liquid water or silicone oil.
With this configuration, in addition to the operation of the seventh aspect , the following operation is provided.
(1) Since the buffer member has a storage portion formed in a bag shape and a filler encapsulated in the storage portion, the replacement and replenishment of the filler can be easily performed, and the hardness and repulsive force of the buffer member Can be easily adjusted.
(2) Even if the accommodating portion of the buffer member is damaged, the filler can be used as it is simply by preparing a new accommodating portion, and the resource saving property is excellent.
(3) By combining a plurality of types of fillers, the desired hardness and repulsive force can be adjusted, and riding comfort can be improved.
(4) When a plurality of accommodating portions enclosing the same or different kinds of fillers are stacked, the type and number of fillers can be combined to improve usability according to the use environment, pet body shape, and the like.

Here, synthetic rubber, vinyl chloride, leather or the like is preferably used as the material of the housing portion. As the filler, in addition to urethane foam and soft resin, liquids such as water and silicone oil, and gases such as air and nitrogen can be used. When liquid or gas is used as the filler, the pressure can be made uniform to improve riding comfort, and the buffering effect can be enhanced.
Moreover, when water-soluble gels such as polyacrylic acid soda, guar gum, polyvinyl alcohol, and polyacrylamide are encapsulated as a filler, cooling can be performed in a refrigerator or the like, and summer use can be improved.
When a gel-like heat medium such as polyvinyl alcohol, carboxymethylcellulose, polyacrylamide, sodium polyacrylate, or carboxyvinyl polymer is enclosed as a filler, there is a heat retention effect by heating in a microwave oven , improving the usability in winter Can do.

  Here, different types of fillers may be mixed and sealed in one storage part, or a plurality of storage parts each filled with different types of fillers may be stacked or used depending on the location. By preparing multiple storage units filled with the same or different kinds of fillers in advance, the storage units can be increased or decreased as necessary, and the ride comfort can be kept optimal according to the weather. In addition to being hygienic.

As described above, according to the pet wheelchair of the present invention, the following advantageous effects can be obtained.
According to invention of Claim 1, it has the following effects.
(1) Since it has an opening / closing means for opening and closing the shoulder pad with respect to the main body frame, the rear leg of the pet can be inserted into the saddle with the shoulder pad being opened, and the wheelchair can be easily worn. A pet wheelchair with excellent functionality and wearability can be provided.
(2) To provide a pet wheelchair with excellent productivity and handling that is light and easy to handle and can be easily attached to a pet because the mechanism is only the opening / closing means of the shoulder pad and has a small number of parts. be able to.
(3) Providing a pet wheelchair that is easy to process and excellent in productivity because a substantially saddle-shaped saddle can be formed in the front and rear center by arranging substantially M-shaped unit members facing each other. Can do.
(4) Since the saddle is formed in an annular shape constricted in the front and rear central parts, the saddle does not get in the way when the pet urinates and defecates, and can easily urinate and defecate, and the saddle is soiled. Therefore, it is possible to provide a pet wheelchair that is hygienic, improved in usability, and excellent in functionality.
(5) Since the saddle is formed in an annular shape constricted in the front and rear center part, there is no foreign matter between the left and right legs, so there is no sense of incongruity when wearing, and wearing stability and reliability that can prevent the occurrence of crotch slipping, etc. An excellent pet wheelchair can be provided.

According to invention of Claim 2 , in addition to the effect of Claim 1 , it has the following effects.
(1) Since the main body frame has side frame parts divided into left and right sides and connecting parts that connect the side frame parts and saddles on both sides, the connecting parts easily connect the side frame parts on both sides and the saddle. Therefore, it is possible to provide a pet wheelchair excellent in productivity and capable of improving assembly.
(2) Since the side frame portions on both sides are connected by two substantially M-shaped unit members arranged opposite to each other constituting the saddle, the strength and rigidity of the main body frame can be ensured. It is possible to provide a pet wheelchair excellent in reliability and durability that can prevent deformation and breakage.

According to invention of Claim 3 , in addition to the effect of Claim 2 , it has the following effects.
(1) The opening / closing means includes a rotation holding member that rotatably holds one end portion of the shoulder support portion with respect to one side frame portion, and the other side frame portion and the other end portion of the shoulder support portion. Since it has a fixing member that is detachably fixed, it is possible to rotate the shoulder rest part up and down in the left-right direction of the main body frame relative to the side frame part by simply releasing the fixing member. In addition, it is possible to provide a pet wheelchair excellent in attachment workability in which the shoulder pad portion can be easily attached from above the shoulder of the pet.
(2) Since one end portion of the shoulder pad is rotatably held around the side frame part in the left-right direction of the main body frame by the rotation holding member of the opening / closing means, the main body frame is rotated by rotating the shoulder pad part. The upper part of the pet can be opened, the rear leg of the pet can be inserted into the saddle, and it can be held by the front leg, and it can be easily attached by simply rotating the shoulder rest in the opposite direction and fixing it with the fixing member. It is possible to provide a pet wheelchair excellent in installation workability.

According to invention of Claim 4 , in addition to the effect of Claim 2 , it has the following effects.
(1) The opening / closing means is an opening / closing holding means for rotating and detachably fixing the both ends of the shoulder pad portion around the side frame portion with respect to the left and right side frame portions, thereby Because it can be opened and closed from any of the above, depending on the owner's handedness and the usage space situation, the shoulder rest can be opened and closed from the direction that is easy to work, and it is easy to attach and detach and excels in operability A pet wheelchair can be provided.
(2) The opening / closing holding means can fix the end of the shoulder pad to the side frame part so that the end part of the shoulder pad can be rotated and detachable around the side frame part. Since it can be performed, the number of parts can be reduced, and a pet wheelchair excellent in productivity and assembly workability can be provided.

According to invention of Claim 5 , in addition to the effect of Claim 3 or 4 , it has the following effects.
(1) Since the shoulder pad has an arc portion that comes into contact with the shoulder of the pet, stability that can stably support the body frame with the shoulder without placing a burden on the shoulder of the pet during wearing or walking, A highly reliable pet wheelchair can be provided.
(2) The shoulder support portion has horizontal support portions extending substantially horizontally from both ends of the arc portion, so that the horizontal support portion of the shoulder support portion and the side frame portion of the main body frame are arranged substantially in parallel. Therefore, it is possible to easily fix the horizontal support portion and the side frame portion using the opening / closing means, and to provide a pet wheelchair excellent in assembling and reliability that can improve the stability at the time of fixing. be able to.
(3) Since the horizontal support portion of the shoulder rest is disposed substantially parallel to the side frame portion of the main body frame, the opening / closing means can be slidably fixed to the horizontal support portion by the sliding fixing member. According to the length of the pet, the shoulder pad can be moved in the horizontal direction, and a pet wheelchair excellent in versatility and mounting flexibility can be provided.

According to invention of Claim 6 , in addition to the effect of Claim 2 , it has the following effects.
(1) The shoulder rest has an arc portion that abuts against the pet's shoulder and a horizontal support portion that extends substantially horizontally from both ends of the arc portion, and the opening / closing means has a shoulder contact with the left and right side frame portions. The rear end of the horizontal support at both ends of the lever is pivotably pivoted in the vertical direction of the main body frame, and the horizontal support at both ends of the left and right side frames and the shoulder pad is detachably held. Because it has a holding part that can be turned, it can be swung up and down with the pivot part as a fulcrum, and can be easily attached to and detached from the pet. It is possible to provide a pet wheelchair excellent in usability and reliability in which the portion can be held on the side frame portion.

According to invention of Claim 7 , in addition to the effect of any one of Claims 1 thru | or 6 , it has the following effects.
(1) Since a cushioning member is covered on at least the upper surface of the saddle, even if the pet's weight is applied, the burden due to impact and friction on the pet can be reduced, and heat conduction to the skin can be reduced in summer and winter. Even if it exists, the wheelchair for pets excellent in the usability and reliability which can be mounted | worn immediately and can improve mounting | wearing property can be provided.
(2) To provide a highly reliable pet wheelchair that can absorb or reduce the impact by having a shock absorbing member when impact such as vibration generated during walking adversely affects the pet's disease. Can do.

According to invention of Claim 8 , in addition to the effect of Claim 7 , it has the following effects.
(1) Since the buffer member has a storage portion formed in a bag shape and a filler encapsulated in the storage portion, the replacement and replenishment of the filler can be easily performed, and the hardness and repulsive force of the buffer member Therefore, it is possible to provide a pet wheelchair with excellent functionality and versatility.
(2) Even if the accommodating portion of the buffer member is broken, the filler can be used as it is simply by preparing a new accommodating portion, and a pet wheelchair excellent in resource saving can be provided.
(3) To provide a pet wheelchair excellent in functionality and usability that can be adjusted to a desired hardness and repulsive force by combining a plurality of types of fillers, and can improve riding comfort. it can.
(4) General purpose that can improve the usability by combining the types and number of fillers according to the usage environment, pet body shape, etc., when a plurality of accommodating portions filled with the same or different types of fillers are stacked. An excellent pet wheelchair can be provided.

(Embodiment 1)
Hereinafter, the pet wheelchair according to Embodiment 1 of the present invention will be described with reference to the drawings.
FIG. 1A is an overall perspective view of the pet wheelchair in the first embodiment of the present invention, and FIG. 1B is an overall perspective view showing a frame of the pet wheelchair in the first embodiment of the present invention. 2 is an overall perspective view showing a use state of the pet wheelchair according to the first embodiment of the present invention, and FIG. 3 is a cross-sectional rear view showing a main part of the opening / closing means of the shoulder rest portion of the pet wheelchair according to the first embodiment. FIG.
1 to 3, 1 is a pet wheelchair according to the first embodiment of the present invention, 2 is a resin added with a metal such as aluminum, stainless steel, iron, titanium, or magnesium, or an alloy thereof, carbon, glass, fiber, or the like. Or a main body frame 2a, 2b of the pet wheelchair 1 made of a solid rod or hollow pipe made of wood or bamboo, etc. 3 is a rear part of the main body frame 2 which is formed in an annular shape constricted in the front and rear central parts, and the left and right rear legs 15a and 15b of the pet 15 such as a dog or a cat are inserted to support the trunk near the base of the rear legs 15a and 15b The saddle 3a is formed in the same material as the main body frame 2 in a substantially M-shape and is arranged to oppose the opening 3 into which the left and right rear legs 15a, 15b of the pet 15 are inserted. The two unit members 4 form a circular fitting portion 4a through which the side frame portions 2a and 2b are inserted and a circular fitting portion 4b through which the end of the unit member 3a is inserted. A fixing block 4c as a connecting portion for connecting the two frame members 2a and 2b and the two unit members 3a forming the saddle 3, and a block fixing screw 5 for fixing the fixing block 4 to the side frame portions 2a and 2b. Is a cushioning member of the saddle 3 formed of an elastic body such as urethane foam or soft resin, and is attached to each unit member 3a, 5a is a protective cover overlaid on the side frame portions 2a, 2b and the fixing block 4, 6 is a shoulder support portion disposed in front of the main body frame 2 and attached to the shoulder of the pet, and 6a and 6b extend substantially horizontally from both ends of the arc portion 6c contacting the shoulder 15c of the pet 15, respectively. Part frame 2d, 2b, a horizontal support portion that is rotatably supported, 6d is a cushioning member of a shoulder support portion 6 that is formed of an elastic body such as urethane foam or soft resin, and is attached to an arc portion 6c, and 6e is a shoulder support The fixing belt 7a is fixed to the side frame portion 2a inserted through the fixing hole 8a and is fixed to the shoulder rest portion 6 and the pet 15 by being connected by fixing means such as a hook-and-loop fastener and a buckle. The horizontal support portion 6a of the shoulder rest portion 6 is held by the arc-shaped sandwiching portion 9a opened upward, and the shoulder rest portion 6 is horizontally secured by the fixing screw 10 screwed to the sandwiching portion 9a above the horizontal support portion 6a. A fixing member for opening and closing means for detachably fixing the support portion 6a, 7b is fixed to the side frame portion 2b inserted through the fixing hole 8b, and the horizontal support portion 6b of the shoulder rest portion 6 is located on the side by the rotation support hole 9b. The opening / closing means that holds the frame 2b so as to be rotatable. The movement holding member 11 is arranged at the lower rear of the side frame portions 2a and 2b and is a rear leg holding portion for holding the rear legs 15a and 15b of the pet 15, 11a is a cushioning member for the rear leg holding portion 11, and 11b is the rear A rear leg fixing belt which is disposed on the leg holding part 11 and fixes the rear legs 15a and 15b of the pet 15 to the rear leg holding part 11, 11c is a protective cap covering the tip part of the rear leg holding part 11, and 12 Wheels 13 and 13 disposed on the wheel blocks 12a disposed on the lower outer ends of the side frame portions 2a and 2b are provided between the side frame portions 2a and 2b and connected to the wheel block 12a. It is a substantially U-shaped fixing and rear cushioning member.

In addition to the saddle 3, the shock-absorbing members 6d and 11a are also attached to the arc part 6c and the rear leg holding part 11 of the shoulder pad part 6, respectively. The burden on the pet 15 can be reduced.
By arranging the rear leg holding part 11 behind the side frame parts 2a and 2b, the rear legs 15a and 15b of the pet 15 can be held, and the rear legs 15a and 15b are not dragged and are reliable. Can be improved. Further, by providing the rear leg fixing belt 11b to the rear leg holding part 11, the rear legs 15a and 15b of the pet 15 can be more securely fixed to the rear leg holding part 11. Furthermore, since the protective cap 11c is covered by the front-end | tip part of the rear leg holding part 11, it is excellent in safety. The rear leg holding unit 11 is attached and detached as necessary depending on the symptoms of the pet 15 and the like.
By fixing the fixing block 4 to the side frame portions 2a and 2b with the block fixing screws 4c, it is possible to prevent the unit member 3a of the saddle 3 and the fixing block 4 from sliding and rotating, and to be stable. In addition, the side frame portions 2a and 2b and the unit member 3a can be easily disassembled simply by removing the block fixing screw 4c.
By covering the side frames 2a and 2b and the fixing block 4 with the protective cover 5a, the fixing block 4 is not exposed to the outside, and the pet 15 and the owner of the pet 15 can be prevented from being injured. Safety can be improved. As the fixing means for the protective cover 5a, a device that can be easily attached and detached such as a hook-and-loop fastener and a hook is preferably used.

The side frame portions 2a and 2b and the horizontal support portions 6a and 6b of the shoulder pad portion 6 are detachably fixed by two fixing members 7a and are rotatably held by a rotation holding member 7b. Therefore, it is excellent in stability. When the side frame portions 2a and 2b are fixed to the fixing member 7a and the rotation holding member 7b by welding, bonding, screwing or the like, the fixing member 7a and the rotation holding member 7b are fixed to the side frame portions 2a and 2b. Can improve reliability without sliding or rotating. In particular, when fixed by a detachable means such as screwing, the mounting position of the shoulder pad 6 can be changed with respect to the side frame parts 2a and 2b. Maintainability can be improved. Further, the outer circumferences of the fixing member 7 a and the rotation holding member 7 b can be covered with a protective cover 5 a and the like, similarly to the fixing block 4.
Since the substantially U-shaped fixing / rear cushioning member 13 is provided between the side frame portions 2a and 2b, the side frame portions 2a and 2b can be prevented from expanding to the left and right, and the bumper As a result, the rear leg holding part 11 and the wheel 12 can be protected, and surrounding obstacles and the like can be prevented from directly contacting the rear legs 15a and 15b of the pet 15.
In addition, when the reinforcement member which diagonally connects between the substantially central part of the longitudinal direction of the side frame parts 2a and 2b and the wheel block 12a is arrange | positioned, the intensity | strength of the main body frame 2 can be improved more, and weight It can handle even heavy pets and is highly reliable.

The usage method of the pet wheelchair in Embodiment 1 comprised as mentioned above is demonstrated.
1 to 3, first, the fixing screw 10 of the fixing member 7a that detachably fixes the horizontal support portion 6a of the shoulder pad portion 6 to the side frame portion 2a is loosened. As a result, the upper side of the horizontal support 6a on the left side of the shoulder rest 6 is opened, so that the shoulder rest 6 pivoted by the pivot holding member 7b with respect to the right side frame 2b is pivoted. The shoulder support 6 is turned around the side frame 2b in the direction of arrow a so that the horizontal support 6b serves as a fulcrum, and the upper part of the main body frame 2 is opened.
The left and right rear legs 15a and 15b of the pet 15 are inserted into the opening 3b of the saddle 3 from above, held by the rear leg holding part 11 and fixed by the rear leg fixing belt 11b, and the rear leg of the pet 15 by the saddle 3 The trunks near the roots of 15a and 15b are supported from below.
The shoulder pad 6 is rotated around the side frame 2b in the direction of the arrow b in a state where the pet 15 is self-supported, the arc part 6c of the shoulder pad 6 is brought into contact with the shoulder 15c of the pet 15, and the fixing screw 10 Then, the horizontal support 6a of the shoulder pad 6 is fixed to the fixing member 7a, and the pet 15 and the shoulder pad 6 are fixed by the fixing belt 6e.
In the present embodiment, a fixing member 7a for detachably fixing the horizontal support portion 6a of the shoulder pad 6 is fixed to the left side frame portion 2a, and the right side frame portion 2b is fixed. Although the rotation holding member 7b for pivotally pivoting the horizontal support portion 6b of the shoulder rest 6 is fixed, the fixing member 7a and the rotation holding member 7b may be attached to the left and right, or both left and right. The fixing member 7a may be attached as an opening / closing holding means. When the fixing member 7a is attached to both the left and right as the opening / closing holding means, the horizontal support portions 6a and 6b of the shoulder support portion 6 are rotatably held with respect to the side frame portions 2a and 2b with the holding portion 9a as the rotation portion. In addition, the side frame portions 2a, 2b and the horizontal support portions 6a, 6b of the shoulder rest 6 can be detachably fixed by the fixing screw 10, and the shoulder rest 6 can be opened and closed from either the left or right. The pet 15 can be attached and detached.
Further, the fixing member 7a may be turned upside down and the side frame portion 2a side may be detachably fixed by the fixing screw 10.

Next, a modification of the opening / closing means for the shoulder rest will be described. In addition, the same code | symbol is attached | subjected to the thing similar to Embodiment 1, and description is abbreviate | omitted. These opening / closing means can be arranged on either the left or right side of the shoulder pad, and can also be arranged on both the left and right sides of the shoulder pad as the opening / closing holding means.
FIG. 4A is a cross-sectional rear view of a main part showing a first modification of the opening / closing means of the shoulder pad, and FIG. 4B is a main part showing a second modification of the opening / closing means of the shoulder pad. It is a cross-sectional rear view.
The first modification of FIG. 4A is different from the opening / closing means of the first embodiment in that the fixing screw 10 is horizontal with respect to the arcuate pinching portion 9a of the fixing member 7a that supports the horizontal support portion 6a. The point is that the support portion 6a is threaded through in the vertical direction.
When the fixing member 7a is used as an opening / closing holding means, the fulcrum when the shoulder pad 6 is rotated is the side frame parts 2a and 2b, and the fixing member 7a also rotates together with the shoulder pad 6.
The second modification of FIG. 4B differs from the opening / closing means of the first embodiment in that the fixing member 17 fixes the side frame portion 2a and the horizontal support portion 6a so as to sandwich the side frame portion 2a from both sides. It is the point formed in the shape of the laundry pin divided into the opening and closing part 17b. The fixing member 17 detachably holds the side frame portion 2a by arc-shaped frame holding portions 18a and 18b formed in the holding portion 17a and the opening / closing portion 17b, and arc-shaped rotating portions 19a and 19b. The horizontal support 6a is held rotatably. Taper opening / closing operation portions 20a and 20b are formed at the ends of the holding portion 17a and the opening / closing portion 17b, and the holding portion 17a and the opening / closing portion 17b are fixed by an opening / closing means 21 having elasticity such as a rubber band. By grasping the operating portions 20a and 20b, the frame holding portions 18a and 18b can be expanded to attach and detach the side frame portion 2a. In this case, the shoulder pad portion 6 can be rotated using either the side frame portions 2a, 2b or the horizontal support portions 6a, 6b as fulcrums.
The fixing members 7a and 17 can be used in the same manner even if they are turned upside down.

FIG. 5A is a cross-sectional rear view of a principal part showing a third modification of the opening / closing means of the shoulder pad, and FIG. 5B is a principal part showing a fourth modification of the opening / closing means of the shoulder pad. FIG. 5C is a cross-sectional rear view, and FIG. 5C is a main cross-sectional rear view showing a fifth modification of the opening / closing means of the shoulder pad.
The third modification of FIG. 5A is different from the opening / closing means of the first embodiment in that the fixing member 27 is circular on the fixed side member 27a fixed to the side frame portion 2a and the horizontal support portion 6a. The side frame portion 2a and the horizontal support portion 6a are detachably held by a magnet 28a disposed on the rotation side member 27b. The rotation side member 27b is pivotally pivoted by the rotation portion 9c. It is a point. Thereby, if the shoulder pad 6 is rotated so as to be pulled up in the direction of the arrow a, the shoulder pad 6 can be opened, and if the shoulder pad 6 is rotated in the direction of the arrow b, the rotation side member 27b is opened. Is magnetized by the magnet 28a, and the side frame portion 2a and the horizontal support portion 6a of the shoulder rest portion 6 are fixed.
The fourth modification of FIG. 5B is different from the third modification in that a notch 29a is formed on the side of the fixed side member 27a so as to face the magnet 28a, and the rotation side member 27b The point is that a locking projection 28b is formed to be locked to the notch 29a of the fixed member 27a. By having the notch portion 29a and the locking convex portion 28b, the fixed side member 27a and the rotating side member 27b are not detached from each other only by applying an external force in the vertical direction, and the reliability is excellent. Even when the rotation-side member 27b does not rotate, the notch 29a and the locking projection 28b can be locked by the elasticity of the arc portion 6c of the shoulder pad 6.
The fifth modification of FIG. 5C is different from the fourth modification in that the notch 29b is formed in a groove shape in the approximate center in the height direction of the stationary member 27a, and the notch 29b The magnet 28a is disposed facing the upper surface. If the rotation side member 27b is rotated in the direction of the arrow c, the shoulder pad 6 can be opened, and if the rotation side member 27b is rotated in the direction of the arrow d, the locking convex portion 28b is cut out. The side frame part 2a and the horizontal support part 6a of the shoulder pad part 6 can be fixed more reliably and can be magnetized to the magnet 28a while being locked to the part 29b, and the reliability is excellent.
The fixing member 27 can be used in the same manner even when the fixed side member 27a is pivoted to the horizontal support portion 6a so that the fixed side member 27a is pivoted upside down and the rotation side member 27b is fixed to the side frame portion 2a. it can.

FIG. 6A is a side view of a main part showing a sixth modification of the opening / closing means of the shoulder pad, and FIG. 6B is a side view of the main part showing a seventh modification of the opening / closing means of the shoulder pad. FIG.
The sixth modification of FIG. 6A differs from the opening / closing means of the first embodiment in that the fixing member 37 is slidably disposed on the side frame portions 2a and 2b and has a circular rotation support hole. The horizontal support portions 6a and 6b are inserted into and extracted from 9b, and the side frame portions 2a and 2b and the horizontal support portions 6a and 6b are detachably held.
Accordingly, the horizontal support portions 6a and 6b can be easily released from the side frame portions 2a and 2b simply by sliding the fixing member 37 in the arrow e direction, and the fixing member 37 is slid in the arrow f direction. Only the side frame portions 2a and 2b and the horizontal support portions 6a and 6b can be fixed, and the operability is excellent.
The seventh modification of FIG. 6B is different from the sixth modification in that the first fixing member 37a in which the fixing member 37 is fixed to the side frame portions 2a and 2b, and the horizontal support portion 6a. , 6b, which is divided into a second fixing member 37b pivotally pivoted to the first fixing member 37a and the second fixing member 37b, and inserted into and removed from the fixing insertion holes 38a and 38b. It is a point which has the collar member 39 to be done. As a result, the horizontal support portions 6a and 6b can be easily released from the side frame portions 2a and 2b simply by pulling out the eave member 39 in the direction of arrow e, and the eave member 39 is moved in the direction of arrow f to move through the fixing. Since the side frame portions 2a and 2b and the horizontal support portions 6a and 6b can be fixed simply by being inserted into the hole 38b, the operability is excellent.

FIG. 7 is a side view of an essential part showing an eighth modification of the opening / closing means for the shoulder pad.
The eighth modification of FIG. 7 is different from the seventh modification in that a fixing member 47 is fixed to the side frame portions 2a and 2b, and the horizontal support portions 6a and 6b. It is divided into a second fixing member 47b pivotally pivoted and arranged on the side of the second fixing member 47b with respect to the locking projection 48a protruding on the side of the first fixing member 47a. The hook-shaped locking member 48b is locked. Accordingly, the side frame portions 2a and 2b and the horizontal support portions 6a and 6b can be easily detachably fixed by simply locking the locking member 48b to the locking protrusion 48a.
The fixing member 47 is turned upside down and the first fixing member 47a is pivotally pivoted to the horizontal support portions 6a and 6b, and the second fixing member 47b is fixed to the side frame portions 2a and 2b. However, it can be used similarly.

FIG. 8A is a cross-sectional rear view of a main part showing a ninth modification of the opening / closing means of the shoulder pad, and FIG. 8B is a main part showing a tenth modification of the opening / closing means of the shoulder pad. FIG. 8C is a cross-sectional rear view, and FIG. 8C is a main cross-sectional rear view showing an eleventh modification of the opening / closing means of the shoulder pad.
The ninth modification of FIG. 8 (a) is different from the opening / closing means of the first embodiment in that an arc-shaped attaching / detaching portion 8c opened downward is fixed to the fixing member 57 so as to detachably hold the side frame portion 2a. A hook-and-loop fastener 58b having one end wound around the side frame portion 2a and fixed to the side of the fixing member 57 by a rivet 58a and attached to the other end of the fixing band 58 and the side surface of the fixing member 57. 58c, the side frame portion 2a and the horizontal support portion 6a are fixed. Since the side frame portion 2a and the horizontal support portion 6a are fixed by the hook-and-loop fasteners 58b and 58c, the side frame portion 2a and the horizontal support portion 6a can be attached and detached with a single touch and have excellent operability.
The tenth modification in FIG. 8B is different from the ninth modification in that the fixing band 58 is independent of the fixing member 57. Thereby, in addition to the effect | action similar to a 9th modification, the fixed band 58 can be replaced | exchanged easily and maintenance property can be improved.
The eleventh modification shown in FIG. 8C is different from the tenth modification in that an arc-shaped detachable portion 8c that detachably holds the side frame portion 2a is opened sideways. . Thereby, the fixing of the fixing band 58 is not easily released only by applying an external force in the vertical direction, and the reliability is excellent.
The horizontal frame 6a may be inserted into the rotating portion 9c of the fixing member 57, and the horizontal support 6a may be detachably held by the detachable portion 8c.
Further, hooks or buttons can be used instead of the hook-and-loop fasteners 58b and 58c used in the ninth to eleventh modifications.

FIG. 9 is a side view of an essential part showing a twelfth modification of the opening / closing means of the shoulder pad.
The twelfth modification of FIG. 9 is different from the opening / closing means of the first embodiment in that the pivot portions 67 disposed on the left and right side frame portions 2a, 2b are the horizontal support portions 6a at both ends of the shoulder rest portion 6. , 6b is pivotally pivoted in the front-rear direction of the main body frame 2, and the left and right side frame portions 2a, 2b and the shoulder rest portion 6 are fixed to the fixing hole 68a and the sliding hole 68b of the holding portion 68. The horizontal support portions 6a and 6b at both ends are inserted slidably.
The horizontal support portions 6a and 6b at both ends of the shoulder pad 6 can be easily opened by simply sliding the holding portion 68 in the direction of the arrow g along the left and right side frame portions 2a and 2b. The shoulder rest 6 can be opened by rotating the shoulder rest 6 in the direction of the arrow a1 with fulcrum as a fulcrum. Further, the horizontal support portions at both ends of the shoulder support portion 6 can be obtained by simply rotating the shoulder support portion 6 in the direction of the arrow b1 and sliding the holding portion 68 in the direction of the arrow h along the left and right side frame portions 2a and 2b. 6a and 6b can be fixed to the side frame portions 2a and 2b. Thereby, the attachment to the pet 15 can be performed easily and reliably, and the operability is excellent.

Next, a modified example of the saddle will be described. In addition, the same code | symbol is attached | subjected to the thing similar to Embodiment 1, and description is abbreviate | omitted.
FIG. 10 is a plan view of an essential part showing a modified example of the saddle. 10 is different from the saddle of the first embodiment in that the saddle 3 is arranged so as to face each other so that two substantially single N-shaped members 3c intersect at the center, and the left and right rear legs 15a of the pet 15. An opening 3b into which 15b is inserted is formed. Since the rigidity can be increased by intersecting the two single members 3c, the saddle 3 is hardly deformed and can be supported even by the heavy pet 15 and is excellent in reliability.

Since the pet wheelchair according to the first embodiment is configured as described above, it has the following effects.
(1) By arranging the substantially M-shaped unit members 3a so as to oppose each other, the annular saddle 3 constricted in the front and rear central portions can be formed, so that processing is easy and production is excellent.
(2) Since the saddle 3 is formed in an annular shape constricted in the front and rear central portions, the saddle 3 does not get in the way when the pet 15 urinates and defecates, and can easily urinate and defecate, and the saddle It is hygienic and can improve usability without polluting 3.
(3) Since the saddle 3 is formed in an annular shape constricted at the front and rear central portions, there is no foreign matter between the left and right rear legs 15a and 15b of the pet 15, so there is no sense of incongruity when worn and the occurrence of a crotch slip or the like occurs Can be prevented.
(4) Since the main body frame 2 has side frame portions 2a and 2b divided into left and right sides and fixing blocks 4 as connecting portions for connecting the side frame portions 2a and 2b on both sides and the saddle 3, both sides The side frame portions 2a, 2b and the saddle 3 can be easily connected to each other, and the assemblability can be improved.
(5) Since the side frame portions 2a and 2b on both sides are connected by the two substantially M-shaped unit members 3a arranged opposite to each other constituting the saddle 3, the strength and rigidity of the main body frame 2 is ensured. It is possible to prevent deformation and breakage of the main body frame 2.
(6) The fixing member 7a of the opening / closing means for detachably fixing the side frame portion 2a and the horizontal support portion 6a of the shoulder rest portion 6, and the horizontal support portion 6b of the shoulder rest portion 6 with respect to the side frame portion 2b. Since it has the rotation holding member 7b of the opening / closing means for holding it rotatably, the shoulder pad 6 can be rotated with respect to the side frame portion 2b simply by opening the fixing member 7a. The shoulder pad 6 can be easily attached from above.
(7) Since the horizontal support portion 6b of the shoulder pad portion 6 is rotatably held with respect to the side frame portion 2b, the upper portion of the main body frame 2 can be opened by rotating the shoulder pad portion 6. The rear legs 15a and 15b of the pet 15 can be inserted into the saddle 3 and can be held by the front legs, and can be easily attached by simply rotating the shoulder rest 6 in the opposite direction and fixing it with the fixing member 7a. can do.
(8) Since the shoulder pad portion 6 has the arc portion 6a that comes into contact with the shoulder of the pet 15, the body frame 2 can be stably supported by the shoulder without placing a burden on the shoulder of the pet 15 during wearing or walking. Can do.
(9) The shoulder support 6 has horizontal support portions 6a and 6b extending substantially horizontally from both ends of the arc portion 6c , so that the horizontal support portions 6a and 6b of the shoulder support 6 and the main body frame 2 are provided. Since the side frame portions 2a and 2b are arranged substantially in parallel, the horizontal support portions 6a and 6b and the side frame portions 2a and 2b can be easily fixed using the fixing member 7a and the rotation holding member 7b. And stability at the time of fixing can be improved.
(10) Since the horizontal support portions 6a and 6b of the shoulder rest portion 6 are disposed substantially in parallel with the side frame portions 2a and 2b of the main body frame 2, the fixing member 7a and the rotation with respect to the horizontal support portions 6a and 6b The holding member 7b can be slidably arranged, and the shoulder pad 6 can be moved in the horizontal direction in accordance with the body length of the pet 15, so that versatility and mounting flexibility can be improved.
(11) Since the buffer member 6d is covered on at least the upper surface of the saddle 3, even if the weight of the pet 15 is applied, the burden on the pet 15 due to impact and friction can be reduced, and heat conduction to the skin can be reduced. Even in the summer or winter, it can be worn immediately and the wearability can be improved.
(12) When the buffer member 6d has a storage portion formed in a bag shape and a filler encapsulated in the storage portion, the filler can be easily replaced or replenished. The repulsive force can be easily adjusted.
(13) In the case where the buffer member 6d has a storage portion formed in a bag shape and a filler encapsulated in the storage portion, even if the storage portion of the buffer member 6d is damaged, only a new storage portion is prepared. The filler can be used as it is and is excellent in resource saving.
(14) By combining a plurality of types of fillers, the desired hardness and repulsive force can be adjusted, and riding comfort can be improved.
(15) When a plurality of accommodating portions filled with the same or different kinds of fillers are stacked, the type and number of fillers can be combined to improve usability according to the use environment, the body shape of the pet 15, and the like. .
(16) When shocks such as vibrations that occur during walking adversely affect the disease of the pet 15, the shock absorbing member 6d can absorb or reduce the impact and is excellent in reliability.
(17) The saddle 3 is disposed oppositely so that two substantially N-shaped single members 3b intersect at the center, and an opening 3b into which the left and right rear legs 15a and 15b of the pet 15 are inserted is formed. In this case, since the rigidity can be increased by crossing the two single members 3b, the saddle 3 is hardly deformed and can be supported even by the heavy pet 15 and is excellent in reliability.

  The present invention can be applied to a four-legged animal such as a dog, cat, or weasel that is difficult to maintain a standing position or to walk on its own due to trauma or disease. It is a pet wheelchair that can be held in a standing position and can be moved, and can be easily attached to a pet by a simple structure with a simple structure. The combination makes it easy to assemble according to the pet's body shape, etc. and is excellent in productivity. It can be easily eliminated by adjusting, replacing, adding parts, etc., and it has excellent versatility. It can be held and walked in an easy posture without placing a burden on the pet's body and legs, and has excellent stability. Secondary disability or disease It can be suitably used as an excellent wheelchair pet reliability capable of preventing.

(A) Whole perspective view of pet wheelchair in Embodiment 1 of this invention (b) Whole perspective view which shows the frame of the pet wheelchair in Embodiment 1 of this invention Whole perspective view which shows the use condition of the wheelchair for pets in Embodiment 1 of this invention The principal part cross-section rear view which shows the opening-and-closing means of the shoulder rest part of the pet wheelchair in Embodiment 1 (A) Main part sectional back view showing a first modification of the opening / closing means of the shoulder pad part (b) Main part sectional rear view showing a second modification example of the opening / closing means of the shoulder pad part (A) Main part sectional rear view showing third modification of opening / closing means of shoulder rest (b) Main part sectional rear view showing fourth modification of shoulder opening / closing means (c) Shoulder rest Sectional rear view showing a fifth modification of the opening / closing means (A) Main part side view showing a sixth modification of the opening / closing means of the shoulder pad part (b) Main part side view showing a seventh modification of the opening / closing part of the shoulder pad part Side view of essential parts showing an eighth modification of the opening / closing means of the shoulder rest (A) Main part cross-sectional rear view showing a ninth modification of the shoulder pad opening / closing means (b) Main part cross-sectional rear view showing a tenth modification of the shoulder pad opening / closing means (c) Shoulder pad part Cross-sectional rear view showing an eleventh modification of the opening / closing means Side view of essential parts showing a twelfth modification of the opening / closing means of the shoulder rest Main part plan view showing a modification of the saddle

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pet wheelchair 2 Main body frame 2a, 2b Side frame part 3 Saddle 3a, 3c Unit member 3b Opening part 4 Fixing block 4a, 4b Fitting part 4c Block fixing screw 5 Buffer member 5a Protective cover 6 Shoulder pad part 6a, 6b Horizontal support portion 6c Arc portion 6d Buffer member 6e Fixing belt 7a, 17, 27, 37, 47, 57 Fixing member 7b Rotating holding member 8a, 8b Fixing hole 8c Detachable portion 9a Holding portion 9b Rotating support hole 9c times Moving part 10 Fixing screw 11 Rear leg holding part 11a Buffer member 11b Rear leg fixing belt 11c Protective cap 12 Wheel 12a Wheel block 13 Fixed and rear buffer member 15 Pet 15a, 15b Rear leg 15c Shoulder 17a Holding part 17b Opening / closing part 18a, 18b Frame holding part 19a, 19b Rotating part 20a, 20b Opening / closing operation part 2 Opening / closing means 27a Fixed side member 27b Rotating side member 28a Magnet 28b Locking convex portion 29a Notch portion 37a, 47a First fixing member 37b, 47b Second fixing member 38a, 38b Fixing insertion hole 39 閂 member 48a Locking projection 48b Locking member 58 Fixed band 58a Rivet 58b, 58c Surface fastener 67 Pivot 68 Holding section 68a Fixed hole 68b Sliding hole

Claims (8)

A main body frame, a saddle disposed on the main body frame and inserted into the left and right rear legs of a quadruped pet such as a dog, cat, or weasel to support the torso near the base of the rear leg from the lower side; and the main body frame A wheelchair for a pet having a shoulder pad attached to the shoulder of the pet in front of the wheel, and wheels disposed at both lower ends of the rear part of the body frame,
The have a closing means for opening and closing the shoulder rest portion relative to the body frame, the saddle is formed of two units member substantially M-shape constricted annular around the central portion which is opposed, or The pet wheelchair is characterized in that the rear side unit member is formed in an approximately M shape and the front side unit member is formed in a straight line shape or a forward curve shape . 2. The pet wheelchair according to claim 1 , wherein the main body frame includes a side frame portion that is divided into right and left sides, and a connecting portion that connects the side frame portions on both sides and the saddle. A rotation holding member that is fixed to the one side frame portion and that holds the one end portion of the shoulder pad portion so as to be rotatable around the side frame portion in the left-right direction of the main body frame; The pet wheelchair according to claim 2 , further comprising a fixing member that detachably fixes the other side frame portion and the other end portion of the shoulder pad portion. The opening / closing means is an opening / closing holding means for fixing the both end portions of the shoulder pad to the left and right side frame portions so as to be rotatable and detachable around the side frame portions in the left-right direction of the main body frame. The pet wheelchair according to claim 2 , wherein the pet wheelchair is provided. The shoulder rest portion includes an arc portion that abuts on the shoulder of the pet, and a horizontal support portion that extends substantially horizontally from both ends of the arc portion, and the opening and closing means is the side frame portion and / or The pet wheelchair according to claim 3 or 4 , further comprising a sliding fixing member that is slidably fixed to the horizontal support portion of the shoulder rest portion. The shoulder rest portion has an arc portion that abuts against the shoulder of the pet and a horizontal support portion that extends substantially horizontally from both ends of the arc portion, and the opening / closing means is disposed on the left and right side frame portions. A pivot portion pivoting the rear end portions of the horizontal support portions at both ends of the shoulder rest portion so as to be rotatable in the vertical direction of the main body frame, and the horizontal portions at the both ends of the left and right side frame portions and the shoulder rest portions. The pet wheelchair according to claim 2 , further comprising a holding portion that detachably holds the support portion. The pet wheelchair according to any one of claims 1 to 6 , further comprising a buffer member that covers at least an upper surface of the saddle. The buffer member includes a receiving portion formed in a bag shape, have a, a filler that is filled in the holding portion, wherein the filler is an elastic body such as urethane foam or soft resin, air or the like nitrogen The pet wheelchair according to claim 7 , wherein the pet wheelchair is one or more of liquids such as gas, water, and silicone oil .